chore(deps): Update derive_builder requirement from 0.13.0 to 0.20.0

Updates the requirements on [derive_builder](https://github.com/colin-kiegel/rust-derive-builder) to permit the latest version.
- [Release notes](https://github.com/colin-kiegel/rust-derive-builder/releases)
- [Commits](colin-kiegel/rust-derive-builder@v0.13.0...v0.13.1)

---
updated-dependencies:
- dependency-name: derive_builder
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -37,7 +37,7 @@ async-trait = "0.1"
 bimap = "0.6"
 bitvec = "1.0.1"
 chrono = "0.4"
-derive_builder = "0.13.0"
+derive_builder = "0.20.0"
 either = "1"
 env_logger = "0.11.0"
 futures = "0.3"